The slate market in Japan has experienced fluctuations over the past decade. Although it was valued at 15.866 million USD in 2012, the market size has seen both growth and decline throughout the years, ending at a value of 12.885 million USD in 2022. The year-on-year variation has varied significantly, with notable declines observed in 2013, 2017, 2019, and 2020. Over the last five years, there was an overall negative compound annual growth rate, indicating a slow and steady decrease in the market size.

Future trends to watch for include:

Focus on sustainable and environmentally-friendly materials may affect slate market demand.
Technological advancements in construction and design could influence the usage of slate.
Evolving consumer preferences might alter demand dynamics.
Potential global economic shifts could impact import and export dynamics.